Research Project on Economical Apartment Design, 1930: Building type IIb: section showing heating and electrical installation, 1:50

Photomechanical print with wash on paper

Photomechanical print with wash, graphite, and crayon on paper

Photomechanical print with red ink and wash on paper

Photomechanical print in colored inks on white paper

Photomechanical print with ink, wash, and applied type on paper

Photomechanical print in orange and black ink on paper

Photomechanical print with ink and colored washes on paper

Photomechanical print in black and brown inks on white paper

Photomechanical print in orange and blue inks on white paper

Photomechanical print